/usr/share/doc/HOWTO/ja-html/Root-RAID-HOWTO-8.html is in doc-linux-ja-html 2006.05.25-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
<META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.21">
<TITLE>Root RAID HOWTO cookbook: $BIUO?(B A. Bohumil Chalupa $B$5$s$K$h$k(B md0 $B$N%7%c%C%H%@%&%s(B</TITLE>
<LINK HREF="Root-RAID-HOWTO-9.html" REL=next>
<LINK HREF="Root-RAID-HOWTO-7.html" REL=previous>
<LINK HREF="Root-RAID-HOWTO.html#toc8" REL=contents>
</HEAD>
<BODY>
<A HREF="Root-RAID-HOWTO-9.html">$B<!$N%Z!<%8(B</A>
<A HREF="Root-RAID-HOWTO-7.html">$BA0$N%Z!<%8(B</A>
<A HREF="Root-RAID-HOWTO.html#toc8">$BL\<!$X(B</A>
<HR>
<H2><A NAME="Appendix-A"></A> <A NAME="s8">8.</A> <A HREF="Root-RAID-HOWTO.html#toc8">$BIUO?(B A. Bohumil Chalupa $B$5$s$K$h$k(B md0 $B$N%7%c%C%H%@%&%s(B</A></H2>
<P>Bohumil Chalupa $B$5$s$N(B Linux RAID $B%a!<%j%s%0%j%9%H$X$NEj9F$G!$(BRAID1, 5
$B$G$N(B mdstop $B$NLdBj$N2sHrJ}K!$G$9!%$3$NJ}K!$G$O!$%7%c%C%H%@%&%s$N;~$K(B
RAID $B%G%P%$%9$,2u$l$F$$$k2DG=@-$OA[Dj$7$F$$$^$;$s!%$=$3$G!$I.<T$,%V!<(B
$B%H;~$N@5>o$J;2>H%9%F!<%?%9$r4JC1$KHf3S$9$k$h$&$K$7$^$7$?!%$3$l$K$h$j!$(B
$B%"%l%$$K0[>o$,$"$k$H$-!$%*%Z%l!<%?$,D4@0$9$k$3$H$,$G$-$^$9!%$3$l$K$D$$(B
$B$F$N>\:Y$OK\J8Cf$G=R$Y$F$$$^$9!%(B</P>
<P>
<PRE>
> From: Bohumil Chalupa <bochal@apollo.karlov.mff.cuni.cz>
>
> initrd $B$H(B linuxrc $B$r;H$C$F(BRAID1 $B%"%l%$$rF0$+$7!$$=$l$+$i(B root $B$r(B
> /dev/md0 $B$K$&$^$/@ZBX$($k$3$H$G$-$^$7$?!%(B
>
> $B$7$+$7!$%"%l%$$r@5>o$K(B *$B;_$a$k(B* $BJ}K!$O$o$+$j$^$;$s!%(B
</PRE>
</P>
<P>
<PRE>
$B$=$l$G$O!$;d$,$*Ez$($7$^$7$g$&(B :-)
</PRE>
</P>
<P>
<PRE>
> Date: Mon, 29 Dec 1997 02:21:38 -0600 (CST)
> From: Edward Welbon <welbon@bga.com>
> Subject: Re: dismounting root raid device
>
> RAID0 $B0J30$N(B md $B%G%P%$%9$K$D$$$F$O!$A4$F$N=q$-9~$_$,=*N;$7$F$$$k$3$H(B
> $B$rCN$k$?$a$K%9%F!<%?%9$rJ]B8$9$k$H;W$$$^$9!%$b$A$m$s!$$3$N$h$&$J%9%F!<(B
> $B%?%9$O%j!<%I%*%s%j!<$G%^%&%s%H$5$l$k%k!<%H%U%!%$%k%7%9%F%`$K$D$$$F$O(B
> $BJ]B8$5$l$^$;$s!%$3$N$h$&$J>l9g!$%j!<%I%*%s%j!<$N%k!<%H%U%!%$%k%7%9%F(B
> $B%`$K=q$-9~$_2DG=$J%U%!%$%k%7%9%F%`(B "X" $B$r%^%&%s%H2DG=$G!$(B"X" $B$K=q$-(B
> $B9~$_$,$G$-$J$/$F$O$J$j$^$;$s(B("$BI|5l(B"$B$NA`:n$G$b$3$l$r9T$$$^$9$,!$$3$A(B
> $B$i$O<+F0=hM}$G$O$"$j$^$;$s(B)$B!%(B
>
> $B%U%!%$%k%7%9%F%`(B "X" $B$O(B RAID(initrd $B7PM3$G(B linuxrc $B$,<B9T(B)$B$,=i4|%9%F!<(B
> $B%?%9$r<hF@$9$k%V!<%H%G%P%$%9$H2>Dj$7$^$9!%9,$$(B raid0 $B$O%9%F!<%?%9=q(B
> $B$-9~$_$NI,MW$,$"$j$^$;$s(B(mdstop $B$N8e$K(B mdtab $B$K%A%'%C%/%5%`$r=q$-=P(B
> $B$9$3$H$,$G$-$l$P4r$7$$$N$G$9$,(B)$B!%(B
> $B$H$j$"$($:$3$l$r$$$8$C$F$_$^$9$,!$(B"devil" $B$,>o$K(B "details" $B$K4^$^$l(B
> $B$^$9$,!$Fq$7$/$O$J$5$=$&$G$9!%(B
</PRE>
</P>
<P>
<PRE>
$B$=$&$G$9$M!%(B
$B;d$bF1$8%"%$%G%#%"$r9M$($F$$$?$N$G$9$,!$;n$9;~4V$,$"$j$^$;$s$G$7$?!%(B
$B$=$l$G!$:rF|$d$C$F$_$?$H$3$m!$$&$^$/F0$-$^$7$?!%(B
</PRE>
</P>
<P>
<PRE>
$B$&$A$N(B RAID1($B%_%i!<(B)$B$G$O!$%A%'%C%/%5%`$d(BRAID$B$N%9!<%Q!<%V%m%C%/$N%G!<%?(B
$B$NJ]B8$O9T$C$F$$$^$;$s!%(B"$B<B:](B"$B$N%V!<%H%Q!<%F%#%7%g%s$N>pJs!$$D$^$j%k!<(B
$B%H$K3d$jEv$F$?(B md $B%\%j%e!<%`$,%7%c%C%H%@%&%s;~$K%j!<%I%*%s%j!<$G:F%^%&(B
$B%s%H$5$l$?$3$H$@$1$rJ]B8$7$F$$$^$9!%$=$7$F!$5/F0;~$K(B linuxrc $B%9%/%j%W(B
$B%H$,$3$N>pJs$r8+$D$1$l$P(B mkraid --only-superblock $B$r<B9T$7!$$3$l$,8+$D(B
$B$+$i$J$1$l$P(B ckraid $B$r<B9T$7$^$9!%(B
$B$D$^$j!$(BRAID $B$N%9!<%Q!<%V%m%C%/>pJs$O%7%c%C%H%@%&%s;~$K$O99?7$5$l$:!$(B
$B5/F0;~$K99?7$5$l$^$9!%(B
$B$"$^$j$9$C$-$j$7$?J}K!$G$J$$$N$G$9$,!$(B :-( $BF0$$$F$O$$$^$9!%(B
</PRE>
</P>
<P>
<PRE>
$B;d$O(BRAID$B%G%P%$%9$r%k!<%H$K$7$F5/F0$9$k$?$a$K(B Edward Welbon $B$5$s$N(B
initrd.md $B$H(B Slackware $B$NAH9g$;$r;H$C$F$$$^$9!%(B
$B;d$N3P$($F$$$k8B$j$G$O!$=$@5$7$?%U%!%$%k$O(B mkdisk, linuxrc $B$H%7%c%C%H(B
$B%@%&%sMQ$N%9%/%j%W%H(B /etc/rc.d/rc.6 $B$@$1$G$9!%(B
$B$b$A$m$s!$(B lilo.conf $B$O=$@5$7$^$7$?!%(B
$B=EMW$JItJ,$r%a!<%k$KE:IU$7$F$*$-$^$9!%(B
Bohumil Chalupa
--------------- my.linuxrc follows -----------------
#!/bin/sh
# we need /proc
/bin/mount /proc
# start up the md0 device. let the /etc/rc.d scripts get the rest of them
# we should do as little as possible here
# ________________________________________
# root raid1 shutdown test & recreation
# /start must be created on the rd image in my.mkdisk
echo "preparing md0: mounting /start"
/bin/mount /dev/sda2 /start -t ext2
echo "reading saved md0 state from /start"
if [ -f /start/root.raid.ok ]; then
echo "raid ok, modyfying superblock"
rm /start/root.raid.ok
/sbin/mkraid /etc/raid1.conf -f --only-superblock
else
echo "raid not clean, runing ckraid --fix"
/sbin/ckraid --fix /etc/raid1.conf
fi
echo "unmounting /start"
/bin/umount /start
# _________________________________________
#
echo "adding md0 for root file system"
/sbin/mdadd /dev/md0 /dev/sda1 /dev/sdb1
echo "starting md0"
/sbin/mdrun -p1 /dev/md0
# tell kernel we want to switch to /dev/md0 as root device, the 0x900 value
# is arrived at via 256*major_device_number + minor_device number.
echo "setting real-root-dev"
/bin/echo 0x900>/proc/sys/kernel/real-root-dev
# unmount /proc so that the ram disk can be deallocated.
echo "unmounting /proc"
/bin/umount /proc
/bin/echo "We are hopefully ready to mount /dev/md0 (major 9, minor 0) as
root"
exit
--------------- end of my.linuxrc ----------------------------------
----------- extract from /etc/rc.d/rc.6 follows -----------------
# Turn off swap, then unmount local file systems.
echo "Turning off swap."
swapoff -a
echo "Unmounting local file systems."
umount -a -tnonfs
# Don't remount UMSDOS root volumes:
if [ ! "`mount | head -1 | cut -d ' ' -f 5`" = "umsdos" ]; then
mount -n -o remount,ro /
fi
# Save raid state
echo "Saving RAID state"
/bin/mount -n /dev/sda2 /start -t ext2
touch /start/root.raid.ok
/bin/umount -n /start
-------------- end of excerpt from rc.6 ------------------------
------------------ part of my.mkdisk follows ----------------------
#
# now we have the filesystem ready to be populated, we need to
# get a few important directories. I had endless trouble till
# I created a pristine mtab. In my case, it is convenient that
# /etc/mdtab is copied over, this way I can activate md with
# a simple "/sbin/mdadd -ar" in linuxrc.
#
cp -a $ROOT/etc $MOUNTPNT 2>cp.stderr 1>cp.stdout
rm -rf $MOUNTPNT/etc/mtab
rm -rf $MOUNTPNT/etc/ppp*
rm -rf $MOUNTPNT/etc/termcap
rm -rf $MOUNTPNT/etc/sendmail*
rm -rf $MOUNTPNT/etc/rc.d
rm -rf $MOUNTPNT/etc/dos*
cp -a $ROOT/sbin $ROOT/dev $ROOT/lib $ROOT/bin $MOUNTPNT 2>>cp.stderr
1>>cp.stdout
# _____________________________________________________________________
# RAID: will need mkraid and ckraid
cp -a $ROOT/usr/sbin/mkraid $ROOT/usr/sbin/ckraid $MOUNTPNT/sbin
2>>cp.stderr 1>>cp.stdout
# ---------------------------------------------------------------------
# it seems that init wont come out to play unless it has utmp. this can
# probably be pruned back alot. no telling what the real bug was 8-).
#
mkdir $MOUNTPNT/var $MOUNTPNT/var/log $MOUNTPNT/var/run $MOUNTPNT/initrd
touch $MOUNTPNT/var/run/utmp $MOUNTPNT/etc/mtab
chmod a+r $MOUNTPNT/var/run/utmp $MOUNTPNT/etc/mtab
ln -s /var/run/utmp $MOUNTPNT/var/log/utmp
ln -s /var/log/utmp $MOUNTPNT/etc/utmp
ls -lstrd $MOUNTPNT/etc/utmp $MOUNTPNT/var/log/utmp $MOUNTPNT/var/run/utmp
#
# since I wanted to change the mount point, I needed this though
# I suppose that I could have done a "mkdir /proc" in linuxrc.
#
mkdir $MOUNTPNT/proc
chmod 555 $MOUNTPNT/proc
#
# ------------------------------------------------------
# we'll mount the real boot device to /start temporarily
# to check the root raid state saved at shutdown time
#
mkdir $MOUNTPNT/start
# -------------------------------------------------------
#
# need linuxrc (it is, after all, the point of this exercise).
#
if [ -x ./my.linuxrc ]; then
cp -a ./my.linuxrc $MOUNTPNT/linuxrc
chmod 777 $MOUNTPNT/linuxrc
else
ln -s /bin/sh $MOUNTPNT/linuxrc
fi
#
----------------- part of my.mkdisk ends -----------------
</PRE>
</P>
<HR>
<A HREF="Root-RAID-HOWTO-9.html">$B<!$N%Z!<%8(B</A>
<A HREF="Root-RAID-HOWTO-7.html">$BA0$N%Z!<%8(B</A>
<A HREF="Root-RAID-HOWTO.html#toc8">$BL\<!$X(B</A>
</BODY>
</HTML>
|